Campbell CV-4T LF lead-free red brass spring check valve, 1 inch FNPT both ends. Spring-loaded, rated 200 PSI, 18 GPM — stops backflow and holds prime on well pumps, booster pumps, and plumbing runs. New in the box. The box shows shelf wear and dust from storage; the valve itself is unused. Lead-free compliant for potable water. You get the one valve in the photos, in its original Campbell box.

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